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<head>
  <meta charset="UTF-8">
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  <title>Document</title>
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<body>
  <script>
    // forEach 就是遍历  加强版的for循环  适合于遍历数组对象
    const arr = ['red', 'green', 'pink']
    const result = arr.forEach(function (item, index) {
      console.log(item)  // 数组元素 red  green pink
      console.log(index) // 索引号
    })
    // console.log(result)
  </script>
</body>

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